CN105170326B - A kind of automatic control system and method for mine magnetic separator - Google Patents
A kind of automatic control system and method for mine magnetic separator Download PDFInfo
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- CN105170326B CN105170326B CN201510704062.5A CN201510704062A CN105170326B CN 105170326 B CN105170326 B CN 105170326B CN 201510704062 A CN201510704062 A CN 201510704062A CN 105170326 B CN105170326 B CN 105170326B
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Abstract
The invention discloses a kind of automatic control system and method for mine magnetic separator, it includes：Material induction module, concentration detection module, PLC, motor drive module, display module, blowdown module, valve switch module and vibration-variable frequency module；The material induction module is used to sense whether have material process, the concentration detection module is used to detect the mineral concentration at mine mouth, the PLC performs associative operation through internal calculation, controlled motor drive module, display module, blowdown module, valve switch module and vibration-variable frequency module；The present invention is simple in construction, easy to use, conveniently, and floor space is small, can be adapted to promote, moreover it is possible to the rotating speed of self-regulation motor and the vibration frequency of vibrating device, realizes being precisely controlled for system, improves beneficiation efficiencies；Also improve security, the stability of magnetic separator；Simultaneously, moreover it is possible to reduce energy waste.
Description
Technical field
The present invention relates to control system field, the especially a kind of automatic control system and method for mine magnetic separator.
Background technology
Magnetic separator is to be used in removing iron powder recycled in powdery plastochondria etc., and magnetic separator is widely used in resource reclaim, wood
Other workshops such as material industry, mining industry, ceramic industry, chemistry, food, suitable for below granularity 3mm magnetic iron ore, magnetic iron ore, roasted ore,
The wet magnetic separation of the materials such as ilmenite, the iron removaling operation of the materials such as coal, nonmetallic ore, building materials is also used for, is that industrial circle uses most
Widely, one of high machine of versatility.
Existing magnetic separator is used for when handling iron ore, bad to the sorting result for being with concentrate, production efficiency
Low, cost is high, actual economic interests can not be obtained, therefore, in order to effectively be sorted to iron ore, it is necessary to existing
Magnetic separator be improved.
Mineral aggregate can precipitate the mineral aggregate content for causing the mineral aggregate content of upper strata ore pulp to be less than lower floor's ore pulp in magnetic separator；If magnetic
The caused magnetic of system is consistent, then lower floor's mineral aggregate chosen level can be caused not reach, influence the sorting result of concentrate.
Comprehend if mineral aggregate caused precipitation in magnetic separator is unclear for a long time and cause lower end charging aperture to block, but also can shadow
Ring the sorting result of concentrate.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided it is a kind of simple in construction, easy to use, account for
Ground area is small, can be adapted to promote；Energy basis goes out mine mouth mineral concentration come the vibration frequency of the rotating speed of regulation motor and vibrating device
Rate, the automatic control system and method for the mine magnetic separator of efficiency high.
The technical solution adopted by the present invention is as follows：
A kind of automatic control system of mine magnetic separator, it is characterised in that it includes：Material induction module, concentration inspection
Survey module, PLC, motor drive module, display module, blowdown module, valve switch module and vibration-variable frequency module；
The material induction module includes the thing position inductor for being respectively arranged on top and bottom charging aperture, when the scheduled time 1
Afterwards, upper end charging aperture does not sense that material passes through, then is converted into digital signaling zero 01 and is transferred to PLC；Behind the scheduled time 2, under
Endfeed mouth does not sense that material passes through, then is converted into digital signaling zero 02 and is transferred to PLC；The concentration detection module includes
The concentration detector being located at out at mine mouth, for detecting the mineral concentration C at mine mouthOre deposit, and be converted into data signal 101 and transmit
To PLC；
The PLC respectively with material induction module, concentration detection module, motor drive module, display module, blowdown mould
Block, valve switch module are connected with vibration-variable frequency module；Digital signaling zero 01 is received, letter is performed to valve switch module transmission
Numbers 201；Digital signaling zero 02 is received, signal 202 is performed to the transmission of valve switch module；Data signal 101 is received, to display mould
Block transmission performs signal 301；Work as COre deposit<Predetermined value 1, then signal 302 is performed to motor drive module transmission, meanwhile, become to vibration
Frequency module transmission performs signal 401；When predetermined value 1<COre deposit<Predetermined value 2, then signal 303 is performed to motor drive module transmission, together
When, perform signal 402 to the transmission of vibration-variable frequency module；When predetermined value 2<COre deposit<Predetermined value 3, then held to motor drive module transmission
Row signal 304, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；Work as COre deposit>Predetermined value 3, then passed to motor drive module
Pass and perform signal 305, meanwhile, perform signal 404 to the transmission of vibration-variable frequency module；PLC is at predetermined time intervals 3 to blowdown module
Transmit and perform signal 501；
The valve switch module includes the drawing and pulling type valve located at upper end charging aperture, receives and performs signal 201, shutoff valve
Door；Receive and perform signal 202, Open valve；The display module includes the display screen located at housing, and signal is performed for receiving
301, and mineral concentration value is shown on display screen；The motor drive module is connected with motor, and letter is performed for receiving
Numbers 302, motor is adjusted to desired speed N1;Receive and perform signal 303, motor is adjusted to desired speed N2;Reception is held
Row signal 304, motor is adjusted to desired speed N3;Receive and perform signal 304, motor is adjusted to desired speed N4;It is described
Vibration-variable frequency module, which receives, performs signal 401, and the vibration frequency of vibrating device is adjusted to preset frequency f1；Vibration-variable frequency module
Receive and perform signal 402, the vibration frequency of vibrating device is adjusted to preset frequency f2；Vibration-variable frequency module, which receives, performs signal
403, the vibration frequency of vibrating device is adjusted to preset frequency f3；Vibration-variable frequency module, which receives, performs signal 404, and vibration is filled
The vibration frequency put is adjusted to preset frequency f4；The blowdown module includes the shower nozzle located at housing lower end, is performed for receiving
Signal 501, control shower nozzle are sprayed water to housing bottom surface.
Further, the blowdown module includes the shower nozzle of the opposite located at housing lower end and charging aperture；The shower nozzle
It is connected with water storage device, the shower nozzle can 360 degree of rotations；Signal 501 is performed when blowdown module receives, the shower nozzle is successively 15
Degree, 30 degree, 45 degree and 60 degree of direction housing bottom surface injection scheduled times 4, shower nozzle 180 degree when same angle is sprayed are revolved
Turn.
Further, thing position inductor is pressure type thing position inductor.
Further, the mineral concentration predetermined value 1<Predetermined value 2<Predetermined value 3；The desired speed N1 of the motor speed
<Desired speed N2<Desired speed N3<Desired speed N4；The preset frequency f1 of the vibrating device vibration frequency<Preset frequency f2
<Preset frequency f3<Preset frequency f4.
A kind of autocontrol method of the automatic control system of mine magnetic separator, it is characterised in that it includes following step
Suddenly：
Step 1：Upward endfeed mouth addition ore pulp, after when the scheduled time 1, material induction module upper end charging aperture does not have
Sense that material passes through, then the sensing end value is converted into digital signaling zero 01 and is transferred to PLC；
After the scheduled time 2, lower end charging aperture does not sense that material passes through, then the sensing end value is converted into numeral
Signal 002 is transferred to PLC；
Step 2：Concentration detection module detects the mineral concentration C at mine mouthOre deposit, and be converted into data signal 101 and be transferred to
PLC；
Step 3：PLC receives digital signaling zero 01 respectively, and signal 201 is performed to the transmission of valve switch module；Receive numeral letter
Number 002, perform signal 202 to the transmission of valve switch module；
Data signal 101 is received, signal 301 is performed to display module transmission；Work as COre deposit<Predetermined value 1, then drive mould to motor
Block transmission performs signal 302, meanwhile, perform signal 401 to the transmission of vibration-variable frequency module；When predetermined value 1<COre deposit<Predetermined value 2, then
Signal 303 is performed to motor drive module transmission, meanwhile, perform signal 402 to the transmission of vibration-variable frequency module；When predetermined value 2<COre deposit
<Predetermined value 3, then signal 304 is performed to motor drive module transmission, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；
Work as COre deposit>Predetermined value 3, then signal 305 is performed to motor drive module transmission, meanwhile, perform signal to the transmission of vibration-variable frequency module
404；
PLC 3 performs signal 501 to the transmission of blowdown module at predetermined time intervals；
Step 4：Valve switch module, which receives, performs signal 201, closes valve；Receive and perform signal 202, Open valve；
Step 5：Display module, which receives, performs signal 301, and mineral concentration value is shown on display screen；
Step 6：Motor drive module, which receives, performs signal 302, and motor is adjusted to desired speed N1;Reception performs letter
Numbers 303, motor is adjusted to desired speed N2;Receive and perform signal 304, motor is adjusted to desired speed N3;Reception is held
Row signal 304, motor is adjusted to desired speed N4;
Step 7：Vibration-variable frequency module, which receives, performs signal 401, and the vibration frequency of vibrating device is adjusted to preset frequency
f1；Vibration-variable frequency module, which receives, performs signal 402, and the vibration frequency of vibrating device is adjusted to preset frequency f2；Vibration-variable frequency
Module, which receives, performs signal 403, and the vibration frequency of vibrating device is adjusted to preset frequency f3；Vibration-variable frequency module, which receives, to be performed
Signal 404, the vibration frequency of vibrating device is adjusted to preset frequency f4；
Step 8：Blowdown module, which receives, performs signal 501, and now shower nozzle is moved at 15 degree of vertical direction to housing bottom surface
Water spray, after the scheduled time 4, now shower nozzle is moved at 30 degree of vertical direction to housing bottom surface and sprayed water, by that analogy, until spray
Head is moved at 60 degree of vertical direction to housing bottom surface and sprayed water.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the present invention is simple in construction, easy to use, conveniently, and floor space is small, can be adapted to promote；
Material induction module is set up, when no longer from upper end throat-fed, in the scheduled time, and material induction module
Sense and no longer feed, illustrate that charging has been completed, then close the opening and closing valve of charging aperture automatically, to avoid ore pulp from vibrating, from entering
Material mouth flows out, and influences concentrate sorting result, convenience easy to use, can be adapted to promote.
2nd, the vibration frequency of the rotating speed of self-regulation motor and vibrating device, being precisely controlled for system is realized, reduces the energy
Waste, improve beneficiation efficiencies；
Energy basis goes out mine mouth mineral concentration come the vibration frequency of the rotating speed of regulation motor and vibrating device, efficiency high；Ore removal
The concentration of mouth is lower, illustrates that magnetic separator selects degree high in the concentrate of ore pulp, motor rotates too fast, it is desirable to reduce chosen level,
So need to slow down the rotating speed of motor, go out that the concentration of mine mouth is lower, the concentrate in magnetic system is fewer, then vibrating device vibration frequency is got over
It is low.Likewise, the concentration for going out mine mouth is higher, illustrate that magnetic separator selects degree low in the concentrate of ore pulp, motor speed slowly may excessively
Some impurity also be have selected into, it is necessary to increase chosen level, so needing to accelerate the rotating speed of motor, the concentration for going out mine mouth is got over
Height, the concentrate in magnetic system is more, then vibrating device vibration frequency is higher.
3rd, security, the stability of magnetic separator are improved；
The present invention shows mineral concentration value in display module, facilitates grasp of the user to concentrate；Blowdown mould simultaneously
Block has strong cleaning force, and it sets up, and avoids lower end charging aperture and produces blocking, if charging aperture plugs, sewage can not arranged
Go, it will bring safety problem to magnetic separator.
Brief description of the drawings
Fig. 1 is that Fig. 1 of the present invention is a kind of structural representation of mine magnetic separator.
Fig. 2 is a kind of internal control schematic diagram of mine AUTOMATIC CONTROL SYSTEM FOR MAGNETIC SEPARATORS of the present invention.
Marked in figure：1- housings, 2- motors, 3- charging apertures, 4- go out mine mouth, 5- vibrating devices, 6- magnetic systems.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Replaced by other equivalent or with similar purpose alternative features.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Fig. 2 a kind of automatic control system of mine magnetic separator, it is characterised in that it includes：Material senses mould
Block, concentration detection module, PLC, motor drive module, display module, blowdown module, valve switch module and vibration-variable frequency mould
Block；
The material induction module includes the thing position inductor for being respectively arranged on top and bottom charging aperture 3, when the scheduled time 1
Afterwards, upper end charging aperture 3 does not sense that material passes through, then is converted into digital signaling zero 01 and is transferred to PLC；Behind the scheduled time 2,
Lower end charging aperture 3 does not sense that material passes through, then is converted into digital signaling zero 02 and is transferred to PLC；The concentration detection module bag
The concentration detector being located at out at mine mouth 4 is included, for detecting the mineral concentration C at mine mouth 4Ore deposit, and it is converted into data signal 101
It is transferred to PLC；
The PLC respectively with material induction module, concentration detection module, motor drive module, display module, blowdown mould
Block, valve switch module are connected with vibration-variable frequency module；Digital signaling zero 01 is received, letter is performed to valve switch module transmission
Numbers 201；Digital signaling zero 02 is received, signal 202 is performed to the transmission of valve switch module；Data signal 101 is received, to display mould
Block transmission performs signal 301；Work as COre deposit<Predetermined value 1, then signal 302 is performed to motor drive module transmission, meanwhile, become to vibration
Frequency module transmission performs signal 401；When predetermined value 1<COre deposit<Predetermined value 2, then signal 303 is performed to motor drive module transmission, together
When, perform signal 402 to the transmission of vibration-variable frequency module；When predetermined value 2<COre deposit<Predetermined value 3, then held to motor drive module transmission
Row signal 304, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；Work as COre deposit>Predetermined value 3, then passed to motor drive module
Pass and perform signal 305, meanwhile, perform signal 404 to the transmission of vibration-variable frequency module；PLC is at predetermined time intervals 3 to blowdown module
Transmit and perform signal 501；
The valve switch module includes the drawing and pulling type valve located at upper end charging aperture 3, receives and performs signal 201, closes
Valve；Receive and perform signal 202, Open valve；The display module includes the display screen located at housing, and letter is performed for receiving
Numbers 301, and mineral concentration value is shown on display screen；The motor drive module is connected with motor 2, is performed for receiving
Signal 302, motor 2 is adjusted to desired speed N1;Receive and perform signal 303, motor 2 is adjusted to desired speed N2;Connect
Row signal 304 is accepted, motor 2 is adjusted to desired speed N3;Receive and perform signal 304, motor 2 is adjusted to desired speed
N4;The vibration-variable frequency module, which receives, performs signal 401, and the vibration frequency of vibrating device 5 is adjusted to preset frequency f1；Vibration
Frequency-variable module, which receives, performs signal 402, and the vibration frequency of vibrating device 5 is adjusted to preset frequency f2；Vibration-variable frequency module connects
Row signal 403 is accepted, the vibration frequency of vibrating device 5 is adjusted to preset frequency f3；Vibration-variable frequency module, which receives, performs signal
404, the vibration frequency of vibrating device 5 is adjusted to preset frequency f4；The blowdown module includes the spray located at the lower end of housing 1
Head, signal 501 is performed for receiving, control shower nozzle is sprayed water to the bottom surface of housing 1.
Further, the blowdown module includes the shower nozzle of the opposite located at the lower end of housing 1 and charging aperture 3；The spray
Head is connected with water storage device, and the shower nozzle can 360 degree of rotations；Signal 501 is performed when blowdown module receives, the shower nozzle exists successively
Spray the scheduled time 4, shower nozzle 180 degree when same angle is sprayed in 15 degree, 30 degree, the 45 degree and 60 degree bottom surfaces of direction housing 1
Rotation.
Further, thing position inductor is pressure type thing position inductor.
Further, the mineral concentration predetermined value 1<Predetermined value 2<Predetermined value 3；The desired speed N1 of the motor speed
<Desired speed N2<Desired speed N3<Desired speed N4；The preset frequency f1 of the vibration frequency of vibrating device 5<Preset frequency
f2<Preset frequency f3<Preset frequency f4.
A kind of autocontrol method of the automatic control system of mine magnetic separator, it is characterised in that it includes following step
Suddenly：
Step 1：Upward endfeed mouth 3 adds ore pulp, and after when the scheduled time 1, material induction module upper end charging aperture 3 does not have
Sense that material passes through, then the sensing end value is converted into digital signaling zero 01 and is transferred to PLC；
After the scheduled time 2, lower end charging aperture 3 does not sense that material passes through, then the sensing end value is converted into number
Word signal 002 is transferred to PLC；
Step 2：Concentration detection module detects the mineral concentration C at mine mouth 4Ore deposit, and be converted into data signal 101 and be transferred to
PLC；
Step 3：PLC receives digital signaling zero 01 respectively, and signal 201 is performed to the transmission of valve switch module；Receive numeral letter
Number 002, perform signal 202 to the transmission of valve switch module；
Data signal 101 is received, signal 301 is performed to display module transmission；Work as COre deposit<Predetermined value 1, then drive mould to motor
Block transmission performs signal 302, meanwhile, perform signal 401 to the transmission of vibration-variable frequency module；When predetermined value 1<COre deposit<Predetermined value 2, then
Signal 303 is performed to motor drive module transmission, meanwhile, perform signal 402 to the transmission of vibration-variable frequency module；When predetermined value 2<COre deposit
<Predetermined value 3, then signal 304 is performed to motor drive module transmission, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；
Work as COre deposit>Predetermined value 3, then signal 305 is performed to motor drive module transmission, meanwhile, perform signal to the transmission of vibration-variable frequency module
404；
PLC 3 performs signal 501 to the transmission of blowdown module at predetermined time intervals；
Step 4：Valve switch module, which receives, performs signal 201, closes valve；Receive and perform signal 202, Open valve；
Step 5：Display module, which receives, performs signal 301, and mineral concentration value is shown on display screen；
Step 6：Motor drive module, which receives, performs signal 302, and motor 2 is adjusted to desired speed N1;Reception performs letter
Numbers 303, motor 2 is adjusted to desired speed N2;Receive and perform signal 304, motor 2 is adjusted to desired speed N3;Receive
Signal 304 is performed, motor 2 is adjusted to desired speed N4;
Step 7：Vibration-variable frequency module, which receives, performs signal 401, and the vibration frequency of vibrating device 5 is adjusted to preset frequency
f1；Vibration-variable frequency module, which receives, performs signal 402, and the vibration frequency of vibrating device 5 is adjusted to preset frequency f2；Vibration-variable frequency
Module, which receives, performs signal 403, and the vibration frequency of vibrating device 5 is adjusted to preset frequency f3；Vibration-variable frequency module is received and held
Row signal 404, the vibration frequency of vibrating device 5 is adjusted to preset frequency f4；
Step 8：Blowdown module, which receives, performs signal 501, and now shower nozzle is moved at 15 degree of vertical direction to the bottom surface of housing 1
Water spray, after the scheduled time 4, now shower nozzle is moved at 30 degree of vertical direction to the bottom surface of housing 1 and sprayed water, by that analogy, until
Shower nozzle is moved at 60 degree of vertical direction to the bottom surface of housing 1 and sprayed water.
As shown in figure 1, a kind of mine magnetic separator, including vertically place housing, the magnetic system located at enclosure interior；In shell
The bottom of body is provided with sewage draining exit, and mine mouth is provided with out in the bottom of housing, and the top axle of magnetic system is connected with motor, and magnetic system is located at mine mouth
Top, it is characterised in that the magnetic system outer wall is provided with hopper feedback, and the junction of hopper feedback and magnetic system is provided with through hole；The sorting
Bucket has arc or the sorting chamber of taper, and burr is provided with the madial wall of hopper feedback.
Because said mechanism is fed by top, into hopper feedback, in hopper feedback, by centrifugal force, make not by magnetic
The soil that field attracts, is flowed through from housing both sides, and discharges from below, and then, mineral are moved down along magnetic system, and under housing
End discharge, the device have that selected effect is good, soil content the characteristics of, can quickly screen, breakneck acceleration is fast.
In being connected with provided with vibrating device for magnetic system and motor, the vibrating device is used to make magnetic system up-down vibration.The vibration
Device can be easy to adsorb the downward transfer in magnetic system, improve ore removal speed.
The hopper feedback comprises at least upper and lower two layers.Bilayer screening, ensure that screening rate is high, improve mineral utilization rate.
The upper strata hopper feedback is more than lower floor's hopper feedback.Outer of the upper strata silt along upper strata hopper feedback is avoided to flow into lower layer choosing
In hopper, avoid repeating to screen.
The inner side of the hopper feedback is also additionally provided with the filter screen of arc.The filter screen can prevent the larger ore of granularity, block up
Through hole is filled in, influences screening efficiency.
It is provided with electromagnetism winding inside magnetic system, the magnetic field in magnetic system from top to bottom strengthens.
The magnetic system bottom is connected with centrifugal device, and tubular filter screen is provided with mine mouth is gone out.
As a result of said structure, concentrate is flowed out from the outside of tubular filter screen, improve the mine-containing amount of discharging opening.
A kind of mine magnetic separator, including vertically place housing 1, the magnetic system 6 inside housing 1；Under housing 1
Portion is provided with sewage draining exit, and mine mouth 4 is provided with out in the bottom of housing 1, and the top axle of magnetic system 6 is connected with motor 2, and magnetic system 6 is located at mine mouth 4
Top, it is characterised in that the outer wall of magnetic system 6 is provided with hopper feedback, and hopper feedback and the junction of magnetic system 6 are provided with through hole；The hopper feedback
The sorting chamber with arc or taper, be provided with burr in the madial wall of hopper feedback.It is provided with magnetic system 6 and being connected with for motor 2
Vibrating device 5, the vibrating device 5 are used to make the up-down vibration of magnetic system 6.The vibrating device 5 can be easy to adsorb in magnetic system 6 to
Lower transfer, improve ore removal speed.Hopper feedback comprises at least upper and lower two layers.Bilayer screening, ensure that screening rate is high, improve mineral and utilize
Rate.Upper strata hopper feedback is more than lower floor's hopper feedback.Avoid outer of the upper strata silt along upper strata hopper feedback from flowing into lower floor's hopper feedback, keep away
Exempt to repeat to screen.The inner side of hopper feedback is also additionally provided with the filter screen of arc.The filter screen can prevent the larger ore of granularity, block
Through hole, influence screening efficiency.It is provided with electromagnetism winding inside magnetic system 6, the magnetic field in magnetic system 6 from top to bottom strengthens.The bottom of magnetic system 6
Centrifugal device is connected with, tubular filter screen is provided with mine mouth 4 is gone out.
In the use of the present invention, by the ore pulp containing mineral by top charging aperture 3, into hopper feedback, in hopper feedback
In, by centrifugal force, make, not by the soil of magnetic field suction, to flow through from the both sides of housing 1, and discharge from below, then, by mineral edge
Magnetic system moves down, and is discharged from the lower end of housing 1, and the device has the characteristics of selected effect is good, soil content, can quickly sieved
Choosing, breakneck acceleration are fast.As a result of said structure, concentrate is set to be flowed out from the outside of tubular filter screen, that improves discharging opening contains ore deposit
Amount.
The present invention specific operation process be：
First, upward endfeed mouth 3 adds ore pulp, after when the scheduled time 1（Can be 30 seconds, 1 minute, 2 minutes, this
Place is preferably 30 seconds）, material induction module upper end charging aperture 3 does not sense that material passes through, then by sensing end value conversion
PLC is transferred to for digital signaling zero 01；After the scheduled time 2（It can be 30 seconds, 1 minute, 2 minutes, herein preferably 30 seconds）,
Lower end charging aperture 3 does not sense that material passes through, then the sensing end value is converted into digital signaling zero 02 and is transferred to PLC；Concentration
Detection module detects the mineral concentration C at mine mouth 4Ore deposit, and be converted into data signal 101 and be transferred to PLC；
PLC receives digital signaling zero 01 respectively, and signal 201 is performed to the transmission of valve switch module；Digital signaling zero 02 is received,
Signal 202 is performed to the transmission of valve switch module；Flowed out in order to avoid ore pulp because of vibration in refining process from charging aperture 3
Phenomenon, avoiding ore pulp from splashing ground is inconvenient to clear up；
Data signal 101 is received, signal 301 is performed to display module transmission；Purpose is dense to user's offer mineral
The information of degree；
Work as COre deposit<Predetermined value 1, then signal 302 is performed to motor drive module transmission, meanwhile, to vibration-variable frequency module transmission
Perform signal 401；When predetermined value 1<COre deposit<Predetermined value 2, then signal 303 is performed to motor drive module transmission, meanwhile, to vibration
Frequency-variable module transmission performs signal 402；When predetermined value 2<COre deposit<Predetermined value 3, then signal 304 is performed to motor drive module transmission,
Meanwhile perform signal 403 to the transmission of vibration-variable frequency module；Work as COre deposit>Predetermined value 3, then perform signal to motor drive module transmission
305, meanwhile, perform signal 404 to the transmission of vibration-variable frequency module；If mineral concentration is less than predetermined value 1, then illustrate
Illustrate that magnetic separator selects degree high in the concentrate of ore pulp, motor rotates too fast, it is desirable to reduce chosen level, so needing
Slow down the rotating speed of motor, go out that the concentration of mine mouth is lower, the concentrate in magnetic system is fewer, then vibrating device vibration frequency is lower.
PLC 3 performs signal 501 to the transmission of blowdown module at predetermined time intervals；Because deposit buildup caused by ore pulp is in shell
The lower floor of body 1, the length of time one will block lower end charging aperture 3, so needing timing to clear up；
Valve switch module, which receives, performs signal 201, closes valve；Receive and perform signal 202, Open valve；Show mould
Block, which receives, performs signal 301, and mineral concentration value is shown on display screen；Motor drive module, which receives, performs signal 302, will
Motor 2 is adjusted to desired speed N1;Receive and perform signal 303, motor 2 is adjusted to desired speed N2;Receive and perform signal
304, motor 2 is adjusted to desired speed N3;Receive and perform signal 304, motor 2 is adjusted to desired speed N4;Vibration-variable frequency
Module, which receives, performs signal 401, and the vibration frequency of vibrating device 5 is adjusted to preset frequency f1；Vibration-variable frequency module is received and held
Row signal 402, the vibration frequency of vibrating device 5 is adjusted to preset frequency f2；Vibration-variable frequency module, which receives, performs signal 403,
The vibration frequency of vibrating device 5 is adjusted to preset frequency f3；Vibration-variable frequency module, which receives, performs signal 404, by vibrating device 5
Vibration frequency adjust to preset frequency f4；Blowdown module, which receives, performs signal 501, and now shower nozzle is moved to 15 degree of vertical direction
Place sprays water to the bottom surface of housing 1, and after the scheduled time 4, now shower nozzle is moved at 30 degree of vertical direction to the bottom surface of housing 1 and sprayed water,
By that analogy, until shower nozzle is moved at 60 degree of vertical direction to the bottom surface of housing 1 water spray.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (5)
1. a kind of automatic control system of mine magnetic separator, it is characterised in that it includes：Material induction module, Concentration Testing
Module, PLC, motor drive module, display module, blowdown module, valve switch module and vibration-variable frequency module；
The material induction module includes being respectively arranged on top and bottom charging aperture（3）Thing position inductor, when the scheduled time 1
Afterwards, upper end charging aperture（3）Do not sense that material passes through, then its judgment value is converted into digital signaling zero 01 and is transferred to PLC；When
After the scheduled time 2, lower end charging aperture（3）Do not sense that material passes through, be then converted into digital signaling zero 02 and be transferred to PLC；It is described
Concentration detection module includes being located at out mine mouth（4）The concentration detector at place, for detecting mine mouth（4）The mineral concentration C at placeOre deposit,
And it is converted into data signal 101 and is transferred to PLC；
The PLC respectively with material induction module, concentration detection module, motor drive module, display module, blowdown module, valve
Door switch module is connected with vibration-variable frequency module；Digital signaling zero 01 is received, signal 201 is performed to the transmission of valve switch module；
Digital signaling zero 02 is received, signal 202 is performed to the transmission of valve switch module；Data signal 101 is received, to display module transmission
Perform signal 301；Work as COre deposit<Predetermined value 1, then signal 302 is performed to motor drive module transmission, meanwhile, to vibration-variable frequency module
Transmit and perform signal 401；When predetermined value 1<COre deposit<Predetermined value 2, then signal 303 is performed to motor drive module transmission, meanwhile, to
The transmission of vibration-variable frequency module performs signal 402；When predetermined value 2<COre deposit<Predetermined value 3, then perform signal to motor drive module transmission
304, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；Work as COre deposit>Predetermined value 3, then performed to motor drive module transmission
Signal 305, meanwhile, perform signal 404 to the transmission of vibration-variable frequency module；PLC 3 is held to blowdown module transmission at predetermined time intervals
Row signal 501；
The valve switch module includes being located at upper end charging aperture（3）Drawing and pulling type valve, receive perform signal 201, shutoff valve
Door；Receive and perform signal 202, Open valve；The display module includes the display screen located at housing, and signal is performed for receiving
301, and mineral concentration value is shown on display screen；The motor drive module and motor（2）It is connected, is performed for receiving
Signal 302, by motor（2）Adjust to desired speed N1;Receive and perform signal 303, by motor（2）Adjust to desired speed N2;
Receive and perform signal 304, by motor（2）Adjust to desired speed N3;Receive and perform signal 304, by motor（2）Adjust to pre-
Determine rotating speed N4;The vibration-variable frequency module, which receives, performs signal 401, by vibrating device（5）Vibration frequency adjust to predetermined frequency
Rate f1；Vibration-variable frequency module, which receives, performs signal 402, by vibrating device（5）Vibration frequency adjust to preset frequency f2；Vibration
Frequency-variable module, which receives, performs signal 403, by vibrating device（5）Vibration frequency adjust to preset frequency f3；Vibration-variable frequency module
Receive and perform signal 404, by vibrating device（5）Vibration frequency adjust to preset frequency f4；The blowdown module includes being located at
Housing（1）The shower nozzle of lower end, signal 501 is performed for receiving, control shower nozzle to housing（1）Spray water bottom surface；
The blowdown module includes being located at housing（1）Lower end and charging aperture（3）Opposite shower nozzle；The shower nozzle fills with water storage
Connection is put, the shower nozzle can 360 degree of rotations；When blowdown module receive perform signal 501, the shower nozzle successively 15 degree, 30 degree,
45 degree and 60 degree of direction housings（1）Spray the scheduled time 4 in bottom surface.
A kind of 2. automatic control system of mine magnetic separator as claimed in claim 1, it is characterised in that the thing position sensing
Device is pressure type thing position inductor.
A kind of 3. automatic control system of mine magnetic separator as claimed in claim 2, it is characterised in that the mineral concentration
Predetermined value 1<Predetermined value 2<Predetermined value 3；The vibrating device（5）The preset frequency f1 of vibration frequency<Preset frequency f2<Predetermined frequency
Rate f3<Preset frequency f4.
4. a kind of autocontrol method of the automatic control system of mine magnetic separator as described in one of claims 1 to 3, its
It is characterised by, it comprises the following steps：
Step 1：Upward endfeed mouth（3）Add ore pulp, after when the scheduled time 1, material induction module upper end charging aperture（3）Not yet
Sense that material passes through, then the sensing end value is converted into digital signaling zero 01 and is transferred to PLC；
After the scheduled time 2, lower end charging aperture（3）Do not sense that material passes through, then the sensing end value is converted into numeral
Signal 002 is transferred to PLC；
Step 2：Concentration detection module detects mine mouth（4）The mineral concentration C at placeOre deposit, and be converted into data signal 101 and be transferred to
PLC；
Step 3：PLC receives digital signaling zero 01 respectively, and signal 201 is performed to the transmission of valve switch module；Receive data signal
002, perform signal 202 to the transmission of valve switch module；
Data signal 101 is received, signal 301 is performed to display module transmission；Work as COre deposit<Predetermined value 1, then passed to motor drive module
Pass and perform signal 302, meanwhile, perform signal 401 to the transmission of vibration-variable frequency module；When predetermined value 1<COre deposit<Predetermined value 2, then to electricity
The transmission of machine drive module performs signal 303, meanwhile, perform signal 402 to the transmission of vibration-variable frequency module；When predetermined value 2<COre deposit<In advance
Definite value 3, then signal 304 is performed to motor drive module transmission, meanwhile, perform signal 403 to the transmission of vibration-variable frequency module；Work as COre deposit
>Predetermined value 3, then signal 305 is performed to motor drive module transmission, meanwhile, perform signal 404 to the transmission of vibration-variable frequency module；
PLC 3 performs signal 501 to the transmission of blowdown module at predetermined time intervals；
Step 4：Valve switch module, which receives, performs signal 201, closes valve；Receive and perform signal 202, Open valve；
Step 5：Display module, which receives, performs signal 301, and mineral concentration value is shown on display screen；
Step 6：Motor drive module, which receives, performs signal 302, by motor（2）Adjust to desired speed N1;Receive and perform signal
303, by motor（2）Adjust to desired speed N2;Receive and perform signal 304, by motor（2）Adjust to desired speed N3;Connect
Row signal 304 is accepted, by motor（2）Adjust to desired speed N4;
Step 7：Vibration-variable frequency module, which receives, performs signal 401, by vibrating device（5）Vibration frequency adjust to preset frequency
f1；Vibration-variable frequency module, which receives, performs signal 402, by vibrating device（5）Vibration frequency adjust to preset frequency f2；Vibration becomes
Frequency module, which receives, performs signal 403, by vibrating device（5）Vibration frequency adjust to preset frequency f3；Vibration-variable frequency module connects
Row signal 404 is accepted, by vibrating device（5）Vibration frequency adjust to preset frequency f4；
Step 8：Blowdown module, which receives, performs signal 501, controls shower nozzle to housing（1）Spray water bottom surface.
5. a kind of autocontrol method of the automatic control system of mine magnetic separator as claimed in claim 4, its feature exist
In the step 8 is specially：
Blowdown module, which receives, performs signal 501, and now shower nozzle is moved at 15 degree of vertical direction to housing（1）Bottom surface is sprayed water,
After the scheduled time 4, now shower nozzle is moved at 30 degree of vertical direction to housing（1）Bottom surface is sprayed water, by that analogy, until shower nozzle moves
Move at 60 degree of vertical direction to housing（1）Spray water bottom surface.
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| CN201510704062.5A CN105170326B (en) | 2015-10-27 | 2015-10-27 | A kind of automatic control system and method for mine magnetic separator |
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| CN105170326B true CN105170326B (en) | 2017-11-28 |
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|---|---|
| CN105170326A (en) | 2015-12-23 |
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Effective date of registration: 20170930 Address after: 100161 Beijing city Fengtai District Qu Yuan Building 2 wind Applicant after: China Railway 19th Bereau Group Mining Investment Co.,Ltd. Address before: 610041 Wuhou District, Chengdu, South Ring Road, No. two, No. 1, building No. 18, building 1, No. 2 Applicant before: Zhang Rongbin |
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